Pro Grade Counterbore End Mill HSS Milling Cutter For Metal Milling With Pilot Hole Counterbore Cutter M4.2x7.4x6x50 Heavy Duty Tooling For Copper Aluminum Steel And Cast Iron WZFC

HSS Counterbore End Mill with Pilot Hole for Metal
✔️ HSS, Ti-coated, M4.2x7.4x6x50; for copper, aluminum, steel

This counterbore end mill is a heavy duty HSS cutting tool with a titanium coating designed for precision milling in metalworking. It's ideal for creating clean counterbores and pilot holes in copper, aluminum, steel, and cast iron, and it fits standard milling machines.

✅ Material: High-speed Steel
✅ Coating: Titanium
✅ Application: milling low-carbon steel, aluminum, copper, iron and non ferrous materials
✅ Size: M4.2x7.4x6x50
✅ Pack size: 1 piece
✅ Compatible with standard milling machines and pilot hole design

💡 What is a counterbore end mill with pilot hole used for in metalworking?

In metalworking, this tool is handy for creating precise counterbores and guided holes for fasteners, while also aiding mold making and finishing operations.

• The tool is handy for seating fasteners in copper, aluminum, steel, or cast iron
• The pilot hole improves chip clearance and hole alignment during milling
• Reduces tool changes and speeds up mold making and production runs
• Designed to work with common milling machines and standard feeds and speeds for HSS tools